Cutting Galvanized Sheet Metal With Jigsaw

Thick using a ferrous metal cutting blade.

Cutting galvanized sheet metal with jigsaw.

Cut through the sheet where you have put the marking. For example a dremel is a great tool to use for cutting through a galvanized pipe. Out of stock online. It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool.

36 tpi sheet metal cutting jig saw blade bi metal u shank 5 pack model dw3728 5 12 30 12 30. Hold the side of the metal sheet and put your snips around the edge. Hold the snips loose in your hand and place the two blades around the edge that you d like to cut. Step 8 coat the jigsaw blade with cutting and tapping fluid and align the jigsaw blade with the permanent marker cut line on the surface of the stainless steel.

Cut the galvanized metal to size with a jigsaw or circular saw fitted with a metal cutting blade. Brought to you by http www ultimatehandyman co uk. You can cut mild steel up to about 3 8 in. This metal is safe to cut with most commercially available cutting tools such as dremel attachments.

The zinc in galvanized steel can react with moisture from the scrap metal creating a highly flammable stream of hydrogen that shoots out when the outer layer of galvanized steel is cut. Whether you use an angle grinder or a circular saw the heat damages the edges and the shower of hot sparks can destroy the protective coating and burns the paint finish. Insert an 18 teeth per inch jigsaw blade into the jigsaw and set the jigsaw to cut at the slow speed. Instead of pushing it forcefully slide the jigsaw slowly and allow it to eat through the sheet metal.

Sharp edges are present on the cut sheet metal so use a metal file or sandpaper to smooth the edges of your project. Hot metal chips will fly. 24 tpi thin metal cutting jig saw blade bi metal u shank 5 pack model dw3726 5 12 10. Set your store to see local availability see similar items.

Do it carefully and slowly to make sure you get the shape right. In our test it cut through rebar like a hot knife through butter. Measure the cut plywood and transfer that measurement to the galvanized metal. With the same cutting tools and safety gear you can also safely cut copper.

How to cut sheet steel using a jigsaw with a metal cutting blade. Cutting corrugated metal with anything producing heat can void the warranty by your manufactures and can make permanent damage to the metal sheets causing them to rust. As a general rule sheet metal refers to steel either galvanized or stainless. Cut metal with your circular saw.

Prevent an explosion from such a reaction by treating such cutting as if high pressure gas is inside the compartment when you start cutting.